/Engine/Source/Runtime/TimeManagement/Public/TimeManagementBlueprintLibrary.h
Checks if this framerate is an even multiple of another framerate, ie: 60 is a multiple of 30, but 59.94 is not.
static bool IsValid_MultipleOf ( const [FFrameRate](API\Runtime\Core\Misc\FFrameRate) & InFrameRate, const [FFrameRate](API\Runtime\Core\Misc\FFrameRate) & OtherFramerate )